Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
102081 (1999 RB149)
Classification: Main-belt Asteroid          SPK-ID: 2102081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116777096751746 4.191e-08  
a 2.423537751201601 9.2603e-09 au
q 1.910528830715922 1.0157e-07 au
i 3.094701868127233 4.9408e-06 deg
node 335.1041794560282 5.4643e-05 deg
peri 10.86897342743725 5.522e-05 deg
M 226.0019575908002 8.035e-06 deg
tp 2459713.442948011402
(2022-May-13.94294801)
3.2177e-05 TDB
period 1378.075813377904
3.77
7.8984e-06
2.162e-08
d
yr
n .261233813484889 1.4973e-09 deg/d
Q 2.936546671687278 1.122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-08-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49836  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:04:56  

Additional Information
 Earth MOID = .901657 au 
 Jupiter MOID = 2.48098 au 
 T_jup = 3.479 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.13   n/a E2021B55  

102081 (1999 RB149)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RB149 = 2003 SR141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-05 01:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin